CPC F04D 29/384 (2013.01) [F04D 19/002 (2013.01)] | 25 Claims |
1. A turbomachine for an aircraft comprising:
an annular casing; and
a fan disposed inside the annular casing and mounted for rotation about an axial centerline, the fan including fan blades that extend radially outwardly toward the annular casing;
wherein the fan includes an average fan chord width of the fan blades (“c”), a diameter of the fan (“D”), a fan pressure ratio (“FPR”), and a redline corrected fan tip Mach number (“Mtip,c(RL)”) according to a First Performance Factor (“FPF”),
wherein
wherein m1·[Mtip,c(RL)−1.1]+6>FPF>m1·[Mtip,c(RL)−1.1]+Δy1, and
wherein 0<Δy1<6.
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